Backlight source film pasting device

Abstract

The utility model relates to the field of backlight source accessory devices, and discloses a backlight source film pasting device which comprises a first conveying belt, a second support is arranged on the right side of the first conveying belt, a leveling assembly is arranged on the upper portion of the second support, and the leveling assembly is used for rolling and leveling a backlight film and extruding bubbles out after the backlight film is pasted. A mechanical arm is arranged on the front side of the first conveying belt, a second conveying belt is arranged on the front side of the mechanical arm, a first support is arranged on the left side of the first conveying belt, a clamping box is fixedly connected to the upper portion of the first support, a first air cylinder is fixedly connected to the top of the clamping box, and a pushing block is slidably connected to the interior of the clamping box. According to the utility model, the pushing block is driven by the air cylinder I to do push-pull motion, and is matched with the curve sliding block, the sliding block I and the sliding block II to enable the clamping block to do sliding motion and drive the clamp to perform clamping action, so that the backlight source to be subjected to film pasting is clamped to the center of the conveying belt, and the clamping and positioning work of the backlight source to be subjected to film pasting is completed.

Description

Technical Field

[0001] The utility model relates to the field of backlight auxiliary devices, in particular to a backlight film pasting device. Background Technique

[0002] Driven by the liquid crystal display market, the backlight industry has developed prosperously. The backlight is the light source behind the liquid crystal display, and its performance directly affects the visual effect of the liquid crystal display module. The liquid crystal itself does not emit light and needs to rely on the backlight to display graphics or characters. Manual film pasting is slow and inefficient, unable to meet the needs of large-scale production. The film pasting device can realize fast and continuous film pasting operations, greatly improving production efficiency;

[0003] The full-automatic film pasting machine can transport and apply glue to the backlight to be pasted through a transmission glue application mechanism. The glue application frame and the glue spraying head can achieve dot-type glue application, making the glue more uniform and increasing the connection strength between the backlight and the film. A plurality of limiting plates are arranged on the bearing plate, and a plurality of transmission rollers are rotatably connected between the plates for transporting the backlight. The glue application frame is connected to the glue spraying head through a glue conveying pipe for glue application. The bottom end of the conveyor belt is fixed with a second support foot, and a liftable vacuum cover is arranged above for defoaming, and a robotic arm is also equipped to assist in the film pasting operation;

[0004] In the prior art, there is no positioning device, which easily leads to deviation in the film fitting position, greatly reducing production efficiency and increasing production costs. Therefore, a backlight film pasting device is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the above deficiencies, the utility model provides a backlight film pasting device, aiming to improve the problems in the prior art that there is no positioning device, which easily leads to deviation in the film fitting position, reduces production efficiency, and increases costs.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A backlight film laminating device includes a first conveyor belt. A second bracket is provided on the right side of the first conveyor belt. A leveling assembly is provided on the upper part of the second bracket. The leveling assembly is used to roll and level the backlight film and squeeze out air bubbles after the backlight film is laminated. A robotic arm is provided on the front side of the first conveyor belt. A second conveyor belt is provided on the front side of the robotic arm. A first bracket is provided on the left side of the first conveyor belt. A clamping box is fixedly connected to the upper part of the first bracket. A first cylinder is fixedly connected to the top of the clamping box. A pushing block is slidably connected inside the clamping box. The upper part of the pushing block is fixedly connected to the driving end of the first cylinder. Slide blocks two are slidably connected to both the front and rear sides of the pushing block. Curve sliders are rotatably connected to the far sides of both slide blocks two. Slide blocks one are rotatably connected to the far sides of the lower ends of both curve sliders. Clamping blocks are slidably connected to both the left and right sides of the clamping box. The two clamping blocks are respectively slidably connected to the front and rear sides inside the clamping box. Limit blocks are fixedly connected to both the left and right sides inside the clamping box. The two slide blocks one are respectively slidably connected inside the two clamping blocks. Fixtures are fixedly connected to the bottoms of both clamping blocks;

[0008] As a further description of the above technical solution:

[0009] The leveling assembly includes a second cylinder. The second cylinder is fixedly connected to the upper part of the second bracket. The driving end of the second cylinder is fixedly connected to a chassis. A double-headed motor is fixedly connected to the front side inside the chassis. Rack bars are fixedly connected to both the front and rear sides of the upper part of the chassis. Gears are slidably connected to both the front and outer sides of the middle part of the chassis. The two gears are meshed with the two rack bars respectively. One ends of two connecting rods one are rotatably connected to the far sides of both gears. Connecting rods two are rotatably connected to both the front and outer sides of the middle part of the chassis. One ends of the two connecting rods two are respectively fixedly connected to the front and rear driving ends of the double-headed motor. The other ends of the two connecting rods two are respectively rotatably connected to one ends of the two connecting rods one. A slide plate is slidably connected to the lower part of the chassis. The two gears are respectively meshed with the front and rear sides of the upper part of the slide plate. Multiple rollers are rotatably connected to the bottom of the slide plate;

[0010] As a further description of the above technical solution:

[0011] Rollers one are rotatably connected to the near sides of both the two gears. Chutes one are opened on both the front and rear sides of the middle part of the chassis. The two rollers one are respectively slidably connected to the near sides of the two chutes one;

[0012] As a further description of the above technical solution:

[0013] Rollers two are rotatably connected to both the left and right sides of the near sides of the middle part of the slide plate. Chutes two are opened on both the front and rear sides of the lower part of the chassis. The multiple rollers two are respectively slid on the near sides of the two chutes two;

[0014] As a further description of the above technical solution:

[0015] Limit slots are provided on both the left and right sides of the middle parts of the two clamping blocks, and the two limit blocks slide inside the two limit slots;

[0016] As a further description of the above technical solution:

[0017] Chute three is provided on the front and back of the left and right outer sides of the pushing block, and a plurality of the second sliding blocks are respectively slidably connected inside the chute three;

[0018] As a further description of the above technical solution:

[0019] Chute four is provided on the left and right sides inside the two clamping blocks, and a plurality of the first sliding blocks are respectively slidably connected inside the plurality of chute fours;

[0020] As a further description of the above technical solution:

[0021] Both of the two jigs are made of rubber material.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the pushing block is pushed and pulled by the driving cylinder one. The movement of the pushing block can drive the lower ends of the two curved sliders to open or contract. The second sliding blocks connected to the upper ends of the two curved sliders slide left and right inside the pushing block. The two curved sliders can drive the two clamping blocks to slide left and right. The first sliding blocks slide up and down on the two clamping blocks to cooperate with the clamping movement. The two clamping blocks can drive the jigs to move to complete the clamping and positioning action.

[0024] 2. In the utility model, the chassis is lowered to a suitable height by the driving cylinder two, and the double-headed motor is turned on. The two driving ends of the double-headed motor rotate and drive one end of the second connecting rod to rotate. The other end of the second connecting rod can drive one end of the first connecting rod to rotate. The other end of the first connecting rod can drive the gear to move left and right reciprocally. The gear can drive the slide plate and the roller at the bottom of the slide plate to move left and right reciprocally through the tooth groove on the top of the slide plate, so as to realize the work of leveling the backlight film. Description of the Drawings

[0025] Figure 1 It is a three-dimensional schematic diagram of a backlight film pasting device proposed by the utility model;

[0026] Figure 2 It is a structural schematic diagram of a clamping box of a backlight film pasting device proposed by the utility model;

[0027] Figure 3 It is a structural schematic diagram of a chassis of a backlight film pasting device proposed by the utility model;

[0028] Figure 4 For Figure 2 The enlarged view of part A in

[0029] Legend description:

[0030] 1. Conveyor belt 1; 2. Robot arm; 3. Conveyor belt 2; 4. Cylinder 1; 5. Clamping box; 6. Fixture; 7. Support 1; 8. Support 2; 9. Rack; 10. Connecting rod 1; 11. Cylinder 2; 12. Connecting rod 2; 13. Chassis; 14. Slide groove 1; 15. Slide groove 2; 16. Double-headed motor; 17. Gear; 18. Slide plate; 19. Slide block 1; 20. Curve slide block; 21. Slide block 2; 22. Limit groove; 23. Slide groove 3; 24. Pushing block; 25. Clamping block; 26. Slide groove 4; 27. Roller 1; 28. Roller 2; 29. Drum; 30. Limit block. Specific implementation manners

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Refer to Figure 1 、 Figure 2 and Figure 4, an embodiment provided by the present utility model: a backlight film pasting device, including a first conveyor belt 1. The first conveyor belt 1 is used to convey the backlight to the position of the processing assembly and convey the finished product to the warehouse after processing. On the right side of the first conveyor belt 1, there is a second bracket 8. The second bracket 8 is used to fix the component structure. On the upper part of the second bracket 8, there is a leveling assembly. The leveling assembly is used to roll and level the backlight film and squeeze out the air bubbles after the backlight film is pasted. In front of the first conveyor belt 1, there is a robotic arm 2. In front of the robotic arm 2, there is a second conveyor belt 3. The second conveyor belt 3 is used to convey the backlight film to the position of the processing assembly, and the robotic arm 2 uses the suction device on its front arm to place the backlight film on the backlight conveyed above the first conveyor belt 1. On the left side of the first conveyor belt 1, there is a first bracket 7. The first bracket 7 is used to fix the clamping and positioning assembly. On the upper part of the first bracket 7, there is a clamping box 5 fixedly connected. The clamping box 5 is the structural support of the clamping assembly. On the top of the clamping box 5, there is a first cylinder 4. The first cylinder 4 is used to drive the clamping assembly to operate. Inside the clamping box 5, there is a push block 24 slidably connected. The upper part of the push block 24 is fixedly connected to the driving end of the first cylinder 4. The driving end of the first cylinder 4 can drive the push block 24 to perform a pushing and pulling motion. On both the front and rear sides of the push block 24, there are second sliding blocks 21 slidably connected. The second sliding blocks 21 are used to transmit the movement of the push block 24 to two curved sliders 20. On the far side of both second sliding blocks 21, there is a curved slider 20 rotatably connected. The curved slider 20 is used to guide the clamping block 25 to slide. On the far side of the lower ends of both curved sliders 20, there is a first sliding block 19 rotatably connected. The first sliding block 19 is used to transmit the movement of the curved slider 20 to the clamping block 25. On both the left and right sides of the clamping box 5, there is a clamping block 25 slidably connected. The two clamping blocks 25 are respectively slidably connected to the front and rear sides inside the clamping box 5. The two clamping blocks 25 perform an approaching or separating motion to perform a clamping action or a releasing action. On both the left and right sides inside the clamping box 5, there are limit blocks 30 fixedly connected. The two first sliding blocks 19 are respectively slidably connected inside the two clamping blocks 25. On the bottom of both clamping blocks 25, there is a fixture 6. The fixture 6 is used to clamp the backlight and position it in the center of the first conveyor belt 1 for convenient processing. On both the left and right sides in the middle of the two clamping blocks 25, there are limit grooves 22 opened. The two limit blocks 30 slide inside the two limit grooves 22. The limit blocks 30 are used to fix the two clamping blocks 25 and guide the movement of the two clamping blocks 25. The limit grooves 22 of the two clamping blocks 25 engage with the limit blocks 30, so that the clamping blocks 25 slide along the limit blocks 30. On the front, rear, left, and right outer sides of the push block 24, there are third chutes 23 opened. A plurality of second sliding blocks 21 are respectively slidably connected inside the third chutes 23. The second sliding blocks 21 slide inside the third chutes 23, making the movement of the curved slider 20 smoother. On the left, right, front, and rear sides inside the two clamping blocks 25, there are fourth chutes 26 opened. A plurality of first sliding blocks 19 are respectively slidably connected inside the plurality of fourth chutes 26. The first sliding blocks 19 are slidably connected inside the fourth chutes 26,Avoid extrusion during the movement of the curve slider 20 and the clamping block 25, and perform action buffering. Both fixtures 6 are made of rubber material, which is relatively soft and not easy to damage the backlight.

[0033] Refer to Figure 1 and Figure 3 The leveling assembly includes a second cylinder 11. The second cylinder 11 is fixedly connected to the upper part of the second bracket 8. The second bracket 8 is used to fix the second cylinder 11 and the connected leveling assembly. The driving end of the second cylinder 11 is fixedly connected to the chassis 13. The second cylinder 11 is used to drive the chassis 13 to lift and stop at an appropriate position. A double-headed motor 16 is fixedly connected to the front side inside the chassis 13. The double-headed motor 16 is used to drive the leveling assembly to work. Rack bars 9 are fixedly connected to the front and rear sides of the upper part of the chassis 13. The rack bars 9 are the tracks for the movement of the gears 17. Gears 17 are slidably connected to the front and rear outer sides of the middle part of the chassis 13. The two gears 17 are meshed with the two rack bars 9 respectively. One end of a first connecting rod 10 is rotatably connected to the far side of each of the two gears 17. Second connecting rods 12 are rotatably connected to the front and rear outer sides of the middle part of the chassis 13. One end of each of the two second connecting rods 12 is fixedly connected to the front and rear driving ends of the double-headed motor 16 respectively. The other end of each of the two second connecting rods 12 is rotatably connected to one end of each of the two first connecting rods 10. When the double-headed motor 16 operates, it can drive one end of the second connecting rod 12 to rotate. The other end of the second connecting rod 12 can drive the first connecting rod 10 to rotate. The rotation of the first connecting rod 10 can drive the gear 17 to perform left and right reciprocating movements at the bottom of the rack bar 9. A sliding plate 18 is slidably connected to the lower part of the chassis 13. The sliding plate 18 is used to fix the leveling device and drive its movement. The two gears 17 are respectively meshed with the front and rear sides of the upper part of the sliding plate 18. When the gear 17 rotates, it can drive the sliding plate 18 to perform left and right reciprocating movements through the tooth grooves opened on the top of the sliding plate 18. A plurality of rollers 29 are rotatably connected to the bottom of the sliding plate 18. The rollers 29 are used to level the backlight film. One roller 27 is rotatably connected to the near side of each of the two gears 17. First chutes 14 are opened on the front and rear sides of the middle part of the chassis 13. The two rollers 27 are respectively slidably connected to the near side of the two first chutes 14. The rollers 27 slidingly connected inside the first chutes 14 can fix the movement track of the gear 17 and make the movement process of the gear 17 smoother. One roller 28 is rotatably connected to the left and right sides of the near side of the front and rear parts of the middle part of the sliding plate 18. Second chutes 15 are opened on the front and rear sides of the lower part of the chassis 13. A plurality of rollers 28 are respectively slid on the near side of the two second chutes 15. The rollers 28 slidingly connected inside the second chutes 15 can fix the movement track of the sliding plate 18 and make the movement process of the sliding plate 18 smoother.

[0034] Working principle: The driving cylinder 1 can drive the pushing block 24 to perform pushing and pulling movements. The pushing block 24 can drive the lower ends of the two curved sliders 20 to open or contract. The slider 21 connected to the upper ends of the two curved sliders 20 slides left and right when the pushing block 24 makes pushing and pulling movements. The lower ends of the two curved sliders 20 drive the two clamping blocks 25 to slide left and right on the limiting block 30. The slider 19 connected to the lower ends of the two curved sliders 20 slides up and down inside the two clamping blocks 25. The movement of the clamping blocks 25 can drive the fixture 6 connected to the bottom thereof to perform a clamping action, clamping and positioning the backlight source conveyed by the conveyor belt 1 to the center of the conveyor belt 1. Subsequently, the robotic arm 2 sucks and places the backlight film conveyed by the conveyor belt 3 onto the backlight source conveyed in the center of the conveyor belt 1 through the suction device on its forearm. The driving cylinder 2 is driven, and the driving cylinder 2 drives the chassis 13 to a suitable position. The double-headed motor 16 is started. The driving end of the double-headed motor 16 drives one end of the connecting rod 2 to rotate. The other end of the connecting rod 2 drives one end of the connecting rod 1 to rotate. The other end of the connecting rod 1 drives the gear 17 to reciprocate at the bottom of the rack 9. The roller 1 connected to the gear 17 slides inside the chute 1 to prevent the gear 17 from falling off. The gear 17 can drive the sliding plate 18 to reciprocate left and right. The roller 2 connected to the sliding plate 18 slides inside the chute 2 to fix the sliding plate 18 and make the movement process smoother. The movement of the sliding plate 18 can drive the roller 29 to reciprocate left and right to roll and flatten the backlight film to remove air bubbles and make it fit the backlight source.

[0035] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A backlight film laminating device, comprising a conveyor belt (1), characterized in that: A bracket 2 (8) is arranged on the right side of the conveyor belt 1 (1), and a leveling component is arranged on the upper part of the bracket 2 (8). The leveling component is used to roll and level the backlight film and squeeze out bubbles after the backlight film is attached. A mechanical arm (2) is arranged on the front side of the conveyor belt 1 (1), and a conveyor belt 2 (3) is arranged on the front side of the mechanical arm (2). A bracket 1 (7) is arranged on the left side of the conveyor belt 1 (1), and a clamping box (5) is fixedly connected to the upper part of the bracket 1 (7), and a cylinder 1 (4) is fixedly connected to the top of the clamping box (5). A propulsion block (24) is slidably connected to the inside of the clamping box (5), and the upper part of the propulsion block (24) is fixedly connected to the driving end of the cylinder 1 (4). The block (24) is slidably connected to a sliding block 2 (21) on both the front and rear sides, the two sliding blocks 2 (21) are rotatably connected to a curved slider (20) on the far side, and the two curved sliders (20) are rotatably connected to a sliding block 1 (19) on the far side of the lower end. The clamping box (5) is slidably connected to a clamping block (25) on both the left and right sides, and the two clamping blocks (25) are slidably connected to the front and rear sides of the inside of the clamping box (5), and the left and right sides of the inside of the clamping box (5) are fixedly connected to a limiting block (30), and the two sliding blocks 1 (19) are slidably connected to the inside of the two clamping blocks (25), and the bottoms of the two clamping blocks (25) are fixedly connected to a clamp (6).

2. The backlight film sticking device according to claim 1, characterized in that: The leveling assembly comprises a second cylinder (11), the second cylinder (11) is fixedly connected to the upper part of the second bracket (8), the driving end of the second cylinder (11) is fixedly connected to a chassis (13), the front side of the interior of the chassis (13) is fixedly connected to a double-headed motor (16), the front and rear sides of the upper part of the chassis (13) are fixedly connected to racks (9), the front and rear outer sides of the middle part of the chassis (13) are slidably connected to gears (17), the two gears (17) are meshed with the two racks (9), and the two gears (17) are rotatably connected to connecting rods on the far sides. One end of the first (10), the front and rear outer sides of the middle part of the chassis (13) are rotatably connected with connecting rods (12), one end of the two connecting rods (12) are respectively fixedly connected to the front and rear driving ends of the double-headed motor (16), and the other ends of the two connecting rods (12) are respectively rotatably connected to one end of the two connecting rods (10), the lower part of the chassis (13) is slidably connected with a slide plate (18), the two gears (17) are respectively engaged with the front and rear sides of the upper part of the slide plate (18), and the bottom of the slide plate (18) is rotatably connected with a plurality of rollers (29).

3. The backlight film sticking device according to claim 2, characterized in that: The adjacent sides of the two gears (17) are both rotatably connected with rollers (27), and the middle of the chassis (13) is provided with slide grooves (14) on both the front and rear sides, and the two rollers (27) are respectively slidably connected to the adjacent sides of the two slide grooves (14).

4. The backlight film sticking device according to claim 2, characterized in that: The slide plate (18) is rotatably connected to two rollers (28) on both sides of the front and rear sides of the middle part, and two slide grooves (15) are provided on both sides of the front and rear sides of the lower part of the chassis (13), and the plurality of rollers (28) slide on the adjacent sides of the two slide grooves (15).

5. The backlight film sticking device according to claim 1, characterized in that: Limiting grooves (22) are provided on both left and right sides of the middle of the two clamping blocks (25), and the two limiting blocks (30) slide inside the two limiting grooves (22).

6. The backlight film sticking device according to claim 1, characterized in that: The pushing block (24) is provided with sliding grooves (23) at the front and rear sides of the left and right outer sides, and the plurality of sliding blocks (21) are respectively slidably connected inside the sliding grooves (23).

7. The backlight film sticking device according to claim 1, characterized in that: Slide grooves four (26) are provided inside the left and right sides of the two clamping blocks (25), and the plurality of sliding blocks one (19) are respectively slidably connected inside the plurality of slide grooves four (26).

8. The backlight film sticking device according to claim 1, characterized in that: The two clamps (6) are both made of rubber material.

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